Talk with a health educator - MaineHealth Learning Resource Center Find health information - MaineHealth Learning Resource Center

Physician Leadership Development Fellowship


Jeffrey Aalberg, MD, MS
MaineHealth Accountable Care Organization

Dr. Aalberg holds an MD degree from the University Massachusetts, an MS degree from University of Oregon and a BS from Rensselaer Polytechnic Institute. He has completed advanced studies in physician leadership, integrative medicine and advanced procedure training. Dr. Aalberg oversees programs in care coordination, prevention, chronic disease, advanced primary care, behavioral health, elder care, palliative care and post-acute care as well as assuming a central leadership role in MaineHealth ACO development and implementation. He is active in promoting patient engagement and experience discussions at the system level. Dr. Aalberg has served on numerous boards of directors and most recently joined the Southern Maine Agency on Aging Board of Directors. He led the Maine Medical Center Physician-Hospital Organization’s (MMC PHO) involvement in the CMS Community-based Care Transition Program (CCTP) and the CMS Medicare Imaging Demonstration and was invited to speak nationally on both topics. He is frequently invited to present locally and regionally on topics involving his current and past initiatives.

In 2009, Dr. Aalberg joined the MaineHealth Accountable Care Organization (formerly the MMC PHO) and serves that organization as the chief medical officer. He is also the senior medical director for Ambulatory Care for the MaineHealth System. In these capacities he serves 10 hospital communities, over 1,300 physicians and over 250,000 patients in a supportive capacity surrounding enterprise implementation of Quadruple Aim principles. Prior to 2009, Dr. Aalberg was the medical director of a large urban practice and residency training program serving 16,000 patients and overseeing care delivered by 40 physicians. He also served as medical consultant for MaineHealth from 2000 to 2009, supporting programs focused on infectious disease, pharmacy and supply chain management. Dr. Aalberg has a 2014 Family Medicine Board Certification and continues to maintain a busy family medicine practice.

Joan Boomsma, MD

Dr. Boomsma has extensive experience as a physician leader. After receiving her undergraduate degree from Calvin College in Michigan and attending the University of Michigan Medical School, she completed an internal medicine residency at Northwestern University. She went on to complete a fellowship in pulmonary and critical care at the University of Illinois College of Medicine, followed by a distinguished clinical career practicing at Northwestern Memorial Hospital in Chicago. She subsequently earned an MBA from the Kellogg Graduate School of Management at Northwestern University.

Over more than a decade, Dr. Boomsma held physician leadership roles with ever-growing responsibility at Chicago-area healthcare organizations. In 2011 she became chief medical officer of the Access Community Health Network in Chicago, serving more than 200,000 patients and overseeing the work of more than 250 providers. In 2013 she joined Atlantic Health System, one of the largest hospital systems in New Jersey. She first served as chief medical officer at one of Atlantic Health System’s hospitals and later as the chief medical officer of the system’s medical group of more than 600 physicians. Dr. Boomsma currently serves as chief medical officer for MaineHealth.

Jacquelyn Cawley, DO
Dr. Cawley is a graduate of State University of New York at Buffalo. She received her medical degree from the University of New England College of Osteopathic Medicine. In addition to practicing as a family medicine physician, she has held a number of physician leadership positions, including medical director of University Health Care at the University of New England, medical director of Maine Medical Center Family Medicine, assistant chief of the Family Medicine Department at Maine Medical Center and vice president of population health at Martin's Point Health Care. She served as interim dean of the College of Osteopathic Medicine and vice president for Clinical Affairs at the University of New England. Dr. Cawley has been actively involved in medical education as a faculty member of the University of New England College of Osteopathic Medicine, the University of Vermont Medical School and the Maine Medical Center Family Medicine Residency Program.

She was responsible for the development of a variety of curricula and educational programs for medical students, residents and community physicians. Prior to entering her current roles as associate chief medical officer and chief medical information officer for MaineHealth, she served as a senior medical director for MaineHealth Clinical Integration. Dr. Cawley has been leading efforts to improve systems of care for patients and providers, with a focus on the use of technology to enhance clinical integration, care coordination and health information exchange.

Dr. Cawley is an innovative physician executive with 21 years of experience in leading and managing physicians and clinical care teams in a variety of academic and healthcare settings. She has presented locally, regionally and nationally on topics such as open access, group medical visits, implementation of the care model and team based care, clinical microsystems, and practice redesign. She developed and implemented an innovative population health management model in her role at Martin’s Point Health Care. She was a key faculty member and curricular advisor for the Physician Leadership Program for Martin’s Point Health Care, is the former director for the MaineHealth Physician Leadership Development Fellowship Program and currently serves on the board of directors for the Daniel Hanley Center for Health Leadership. Dr. Cawley is a past president of the medical staff at Maine Medical Center and is the first woman and osteopathic physician to hold this position.

Elizabeth Johnson, MD, MS
MaineHealth Accountable Care Organization

Dr. Johnson joined the MaineHealth Accountable Care Organization (formerly Maine Medical Center Physician-Hospital Organization) in 2013 as the CEO. With over 16 years of experience in healthcare leadership and nearly 20 years of clinical practice experience in internal medicine, Betsy brings to the MaineHealth Accountable Care Organization (MH ACO) her passion for building and supporting a community model of health care that is value-based, integrated, and patient-centered. Through teamwork and partnership across the MaineHealth system, Betsy has helped facilitate the recent transition from an established physician-hospital organization to an integrated accountable care organization, advocating for a culture of accountable care, provider engagement, transparency and achievement of the Institute for Healthcare Improvement’s Triple Aim.

Before coming to the MH ACO, Betsy served as the chief medical officer at Martin’s Point Health Care where in addition to leading the Quality Division for both the health plans and delivery system, she led the integration of three medical groups into one employed model as well as their transformation toward patient-centered medical homes. Prior to that, she served as chief of Internal Medicine and Adult Urgent Care at the Kenmore Center, part of Harvard Vanguard Medical Associates in Boston.

Betsy holds a Master of Health Care Management from Harvard School of Public Health, a Doctor of Medicine from Vanderbilt University School of Medicine and a Bachelor of Arts from Bowdoin College. She has served on various boards, including the Maine Medical Center Physician-Hospital Organization and partner organization Community Physicians of Maine boards and is currently the chair of Onpoint Health Data board of directors and a board member of Maine Quality Counts and of the Medical Professional Mutual Insurance Company (Coverys).

Neil Korsen, MD, MSc
Maine Medical Center

Dr. Korsen is a family physician and geriatrician with 18 years of practice experience in rural Maine. He currently serves as a physician scientist at the MMC Center for Outcomes Research and Evaluation, where he is involved in health services research and performance improvement. Dr. Korsen received a master’s degree at The Dartmouth Institute in 2002, with a focus on healthcare improvement. He has led quality improvement programs for MaineHealth in behavioral health integration and shared decision making. Dr. Korsen speaks and consults regionally and nationally on healthcare quality improvement, quality measurement, and behavioral health integration.

Robert McArtor, MD, MPH

Dr. McArtor began his career practicing family medicine in a small town in Ohio in 1970. In 1980 he became a Family Medicine residency program director and chair of the Department of Family Medicine at the Northeastern Ohio College of Medicine. He came to Maine Medical Center in 1992 and served as chief of Family Practice and associate vice president for Performance Improvement. Dr. McArtor served as chief medical officer of MaineHealth from 1998-2008 and 2014-2016. He recently returned to serving as an internal clinical adviser for MaineHealth (a role he filled from 2008 to 2014). Dr. McArtor earned his MD at Duke University School of Medicine and his MPH at the University of Michigan. He is a graduate of the Advanced Training Program in Healthcare Improvement at Intermountain Healthcare in Salt Lake City, Utah, which he attended in 1996-97.

Scott Mills, MD, FACC
Mid Coast – Parkview Health

Dr. Mills serves as vice president of medical administration/chief medical officer of Mid Coast – Parkview Health. He began his career in Maine as a founding partner of Mid Coast Cardiology in 1988. In 1995, he became the first vice president of medical administration at the newly-formed Mid Coast Hospital. In that position he helped merge two smaller hospitals and their respective staffs to become Mid Coast Healthcare. Dr. Mills was instrumental in relocating that entity to a new campus in 2001.

His administrative roll evolved in 2008 when he became VPMA/CMO, adding management of the employed physicians of Mid Coast Medical Group. With his leadership, this multi-specialty group has grown from 19 to more than 120 providers and from three to 25 practice entities. In 2015, he oversaw the integration of the former Parkview Adventist Hospital with Mid Coast Healthcare to form the current Mid Coast – Parkview Health.

Dr. Mills is past president of the Community Physicians of Maine and the Maine Medical Center Physician-Hospital Organization boards. In that role, he helped guide the organization to participation in the Medicare Shared Savings Program and evolution to the new MaineHealth Accountable Care Organization.

Physician leadership and development is a passion of Dr. Mills who has been involved with the MaineHealth Physician Leadership Development Fellowship since 2008 and with the Hanley Center for Health Leadership since 2009.

Gina Quinn-Skillings, MD, FACEP
MaineHealth / Southern Maine Health Care

Dr. Quinn-Skillings completed her undergraduate degree at Brown University. She graduated with honors and received her medical degree at Dartmouth Medical School. After completing postgraduate training at Maine Medical Center, she has served as an attending physician at Southern Maine Health Care (SMHC) Biddeford Medical Center since 2001. Dr. Quinn-Skillings is a fellow in the American College of Emergency Physicians. Prior to her current position as chief medical information officer at SMHC, she served as medical director for quality and as safety service leader in the Department of Emergency Medicine. Since 2012 she has been a Finance Committee member for the SMHC Board of Trustees and a trustee for SMHC. Dr. Quinn-Skillings also serves as director of the Physician Leadership Development Fellowship and as senior medical director of Inpatient Care programs for MaineHealth, Clinical Integration.




110 Free Street | Portland, Maine 04101 | (207) 661-7001